/**
 * Divisional Charts (Vargas) — Complete Parashara Ruleset
 *
 * Implements all 16 standard Vargas per BPHS (Brihat Parashara Hora Shastra).
 * All internal arithmetic uses Decimal.js to eliminate floating-point drift.
 *
 * PUBLIC API: takes `number` longitude, returns `VargaPoint` with `number` fields.
 * INTERNAL:   uses `Decimal` for all division/modulo operations.
 */
export interface VargaPoint {
    longitude: number;
    sign: number;
    degree: number;
    deity?: string;
}
/** Which Hora (D2) rule to apply. */
export type HoraScheme = 'parashara' | 'parivritti';
/**
 * Default Hora scheme: BPHS. A D2 position therefore falls in Leo or Cancer.
 *
 * Set `'parivritti'` for the twelve-sign Parivritti Dwaya variant.
 */
export declare const DEFAULT_HORA_SCHEME: HoraScheme;
/**
 * Which Dasamsa (D10) rule to use for even signs.
 *
 * - `'parashara'` — classical BPHS: forward from the 9th sign.
 * - `'jhora_5_8'` — the scheme JHora prints as "D-10 (5-8)": backward from the
 *   5th sign, degree reversed within the part.
 *
 * Odd signs are identical under both. Only D10 is affected; every other varga
 * has a single unambiguous rule.
 */
export type DasamsaScheme = 'parashara' | 'jhora_5_8';
/**
 * Default Dasamsa scheme: **classical Parashara**.
 *
 * This is the one place where the project deliberately does *not* follow JHora.
 * BPHS states the rule plainly — ten parts from the sign itself for odd signs,
 * from the ninth sign for even ones — and that is what `'parashara'` implements.
 * JHora's `(5-8)` variant has no basis in BPHS.
 *
 * The distinction matters because the layers have different authorities:
 * planetary positions are settled by astronomy, but *rules* are settled by the
 * text. Pass `{ dasamsaScheme: 'jhora_5_8' }` to reproduce JHora's D10 exactly.
 */
export declare const DEFAULT_DASAMSA_SCHEME: DasamsaScheme;
/** Options accepted by {@link calculateVarga}. */
export interface VargaOptions {
    dasamsaScheme?: DasamsaScheme;
    horaScheme?: HoraScheme;
}
/**
 * Calculate a planet's position in a given Divisional Chart.
 *
 * @param longitude  Sidereal longitude in degrees [0, 360)
 * @param division   Chart divisor (1, 2, 3, 4, 7, 9, 10, 12, 16, 20, 24, 27, 30, 40, 45, 60)
 * @param options    Per-call overrides; currently only the D10 scheme
 * @returns VargaPoint with sign (1-12), degree (0-30), and longitude
 */
export declare function calculateVarga(longitude: number, division: number, options?: VargaOptions): VargaPoint;
export declare const calculateD1: (lon: number) => VargaPoint;
export declare const calculateD2: (lon: number, options?: VargaOptions) => VargaPoint;
export declare const calculateD3: (lon: number) => VargaPoint;
export declare const calculateD4: (lon: number) => VargaPoint;
export declare const calculateD7: (lon: number) => VargaPoint;
export declare const calculateD9: (lon: number) => VargaPoint;
export declare const calculateD10: (lon: number, options?: VargaOptions) => VargaPoint;
export declare const calculateD12: (lon: number) => VargaPoint;
export declare const calculateD16: (lon: number) => VargaPoint;
export declare const calculateD20: (lon: number) => VargaPoint;
export declare const calculateD24: (lon: number) => VargaPoint;
export declare const calculateD27: (lon: number) => VargaPoint;
export declare const calculateD30: (lon: number) => VargaPoint;
export declare const calculateD40: (lon: number) => VargaPoint;
export declare const calculateD45: (lon: number) => VargaPoint;
export declare const calculateD60: (lon: number) => VargaPoint;
export declare const calculateShashtyamsa: (lon: number) => VargaPoint;